different between octenyl vs octenal

English

octene +? -yl

octenyl (plural octenyls)

(organic chemistry, especially in combination) Any of several isomeric radicals derived from an octene

From octene +? -al

octenal (plural octenals)

(organic chemistry) Any of several isomeric unsaturated aliphatic aldehydes having eight carbon atoms and one double bond

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